DE69931630D1 - Hauptrechnergestützte anti-geisterbildformung von teletextdaten basierend auf daten die nicht überabgetastet sind - Google Patents

Hauptrechnergestützte anti-geisterbildformung von teletextdaten basierend auf daten die nicht überabgetastet sind

Info

Publication number
DE69931630D1
DE69931630D1 DE69931630T DE69931630T DE69931630D1 DE 69931630 D1 DE69931630 D1 DE 69931630D1 DE 69931630 T DE69931630 T DE 69931630T DE 69931630 T DE69931630 T DE 69931630T DE 69931630 D1 DE69931630 D1 DE 69931630D1
Authority
DE
Germany
Prior art keywords
data
overbased
main computer
teletext
formulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69931630T
Other languages
English (en)
Other versions
DE69931630T2 (de
Inventor
M Cahill
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intel Corp
Original Assignee
Intel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intel Corp filed Critical Intel Corp
Publication of DE69931630D1 publication Critical patent/DE69931630D1/de
Application granted granted Critical
Publication of DE69931630T2 publication Critical patent/DE69931630T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
    • H04N7/035—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211—Ghost signal cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H04N7/0882—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Error Detection And Correction (AREA)
  • Picture Signal Circuits (AREA)
DE69931630T 1998-04-23 1999-03-11 Host-basiertes Anti-Ghosting von Teletextdaten auf der Basis von nicht überabgetasteten Daten Expired - Fee Related DE69931630T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US66741 1998-04-23
US09/066,741 US6067122A (en) 1998-04-23 1998-04-23 Host-based anti-ghosting of teletext data based on non-oversampled data
PCT/US1999/005366 WO1999055079A1 (en) 1998-04-23 1999-03-11 Host-based anti-ghosting of teletext data based on non-oversampled data

Publications (2)

Publication Number Publication Date
DE69931630D1 true DE69931630D1 (de) 2006-07-06
DE69931630T2 DE69931630T2 (de) 2007-05-16

Family

ID=22071393

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69931630T Expired - Fee Related DE69931630T2 (de) 1998-04-23 1999-03-11 Host-basiertes Anti-Ghosting von Teletextdaten auf der Basis von nicht überabgetasteten Daten

Country Status (7)

Country Link
US (1) US6067122A (de)
EP (1) EP1078512B1 (de)
JP (1) JP2002512491A (de)
CN (1) CN100372363C (de)
AU (1) AU2999799A (de)
DE (1) DE69931630T2 (de)
WO (1) WO1999055079A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351289B1 (en) * 1998-11-24 2002-02-26 Winbond Electronics Corp. Method and apparatus that generates VBI data coding waveforms
US6262708B1 (en) * 1999-06-16 2001-07-17 Sun Microsystems, Inc. Techniques for displaying complex characters
JP2002158975A (ja) * 2000-11-22 2002-05-31 Mitsubishi Electric Corp スライス回路
US20050285975A1 (en) * 2004-06-28 2005-12-29 Broadcom Corporation Software implementing parts of a blanking interval encoder/decoder
JP2007288260A (ja) * 2006-04-12 2007-11-01 Matsushita Electric Ind Co Ltd Ｖｂｉデータスライス回路
US7796193B2 (en) * 2006-06-29 2010-09-14 Mediatek Inc. Method of adaptive slicing signal
US9323609B2 (en) * 2013-11-15 2016-04-26 Intel Corporation Data storage and variable length error correction information

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449145A (en) * 1980-01-24 1984-05-15 Zenith Radio Corporation Intelligent teletext decoder
US4388645A (en) * 1981-04-13 1983-06-14 Zenith Radio Corporation Teletext communication system with timed multipage local memory
JPS60229592A (ja) * 1984-04-27 1985-11-14 Mitsubishi Electric Corp 符号化伝送方式文字放送受信装置
DE3681379D1 (de) * 1985-07-16 1991-10-17 Matsushita Electric Ind Co Ltd Uebertragungs-/empfangssystem fuer ein bezugssignal zur geisterbildausloeschung.
US5111298A (en) * 1990-10-09 1992-05-05 North American Philips Corporation Method and apparatus for communication channel identification and signal restoration
US5047859A (en) * 1990-10-09 1991-09-10 North American Philips Corporation Method and apparatus for communication channel identification and signal restoration
EP1330129A3 (de) * 1991-04-10 2006-03-15 Mitsubishi Denki Kabushiki Kaisha Kodierer und Dekodierer
US5361102A (en) * 1991-09-04 1994-11-01 Samsung Electronics Co., Ltd. System to cancel ghosts in NTSC television transmission
US5619275A (en) * 1992-09-01 1997-04-08 Thomson Consumer Electronics, Inc. TV line and field detection apparatus with good noise immunity
TW231393B (de) * 1992-12-02 1994-10-01 Samsung Electronics Co Ltd
US5321512A (en) * 1993-05-07 1994-06-14 Zoran Corporation Ghost signal cancellation system using feedforward and feedback filters for television signals
US5448299A (en) * 1994-01-05 1995-09-05 Samsung Electronics Co., Ltd. Apparatus for processing BPSK signals transmitted with NTSC TV on quadrature-phase video carrier
US5483292A (en) * 1994-03-09 1996-01-09 Samsung Electronics Co., Ltd. Symbol clock regeneration in digital signal receivers for recovering digital data buried in NTSC TV signals
ES2133778T3 (es) * 1994-07-08 1999-09-16 Koninkl Philips Electronics Nv Metodo de transmision de paginas de teletexto.
US5555025A (en) * 1995-06-07 1996-09-10 Intel Corporation Apparatus and method for performing asynchronous multi-standard VBI data extraction
US5828422A (en) * 1996-04-12 1998-10-27 Wavephore, Inc. Ghost canceler
US5812217A (en) * 1996-06-26 1998-09-22 Intel Corporation Automatically adjusting anti-ghosting filter coefficients when the coefficients exceed particular values
US5953065A (en) * 1996-06-26 1999-09-14 Intel Corporation Method and apparatus for common vertical blanking interval scan line decoding
US5812207A (en) * 1996-12-20 1998-09-22 Intel Corporation Method and apparatus for supporting variable oversampling ratios when decoding vertical blanking interval data
US6239843B1 (en) * 1997-05-05 2001-05-29 Wavo Corporation Method and system for decoding data in a signal
WO1999021359A1 (en) * 1997-07-17 1999-04-29 Wavo Corporation Method and system for transmitting and decoding data in a signal

Also Published As

Publication number Publication date
CN100372363C (zh) 2008-02-27
EP1078512A1 (de) 2001-02-28
EP1078512B1 (de) 2006-05-31
AU2999799A (en) 1999-11-08
US6067122A (en) 2000-05-23
CN1307778A (zh) 2001-08-08
EP1078512A4 (de) 2002-11-06
WO1999055079A1 (en) 1999-10-28
DE69931630T2 (de) 2007-05-16
JP2002512491A (ja) 2002-04-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee